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Peptide inhibitors

" in MedChemExpress (MCE) Product Catalog:

1111

Inhibitors & Agonists

1

Screening Libraries

3

Fluorescent Dye

23

Biochemical Assay Reagents

794

Peptides

2

MCE Kits

4

Inhibitory Antibodies

63

Natural
Products

13

Isotope-Labeled Compounds

10

Click Chemistry

1

Oligonucleotides

Targets Recommended:
Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-P5960
    PTBP1-RNA-binding inhibitor P6 TFA

    PTBP1 α3-helix derived Peptide P6 TFA

    		 DNA/RNA Synthesis Others
    PTBP1-RNA-binding inhibitor P6 (PTBP1 α3-helix derived peptide P6) TFA is a stapled peptide inhibitor of the splicing factor PTBP1, which inhibits alternative splicing events regulated by PTBP1. PTBP1 binds RNA through its RNA recognition motif .
    PTBP1-RNA-binding inhibitor P6 TFA
  • HY-P10950A
    PD-L1 inhibitory peptide TFA

    		PD-1/PD-L1 Inflammation/Immunology Cancer
    PD-L1 inhibitory peptide TFA is an inhibitor peptide targeting programmed cell death ligand 1 (PD-L1). PD-L1 inhibitory peptide TFA binds to PD-L1, relieving immunosuppression and restoring the antitumor activity of T cells. PD-L1 inhibitory peptide TFA is promising for research of cancers .
    PD-L1 inhibitory peptide TFA
  • HY-P10422
    Multi-Leu peptide

    ML-Peptide, Multi-Leucine (ML)-Peptide

    		 Autophagy Cancer
    Multi-Leu peptide (ML-peptide) is a potent inhibitor of PACE4 (Ki=22 nM). Multi-Leu peptide can competitively bind to the active site of PACE4 by simulating the substrate sequence of PACE4, thereby inhibiting its catalytic activity. Multi-Leu peptide can be used to study the specific mechanism of PACE4 in the development of prostate cancer .
    Multi-Leu peptide
  • HY-P10818
    Polyglutamine binding peptide 1

    		Huntingtin Neurological Disease
    Polyglutamine binding peptide 1 (QBP1) is a peptide inhibitor of polyglutamine (polyQ). Polyglutamine binding peptide 1 inhibits polyQ protein aggregation in vitro and suppresses polyQ-induced cell death in cell culture .
    Polyglutamine binding peptide 1
  • HY-P10950
    PD-L1 inhibitory peptide

    		PD-1/PD-L1 Inflammation/Immunology Cancer
    PD-L1 inhibitory peptide is an inhibitor peptide targeting programmed cell death ligand 1 (PD-L1). PD-L1 inhibitory peptide binds to PD-L1, relieving immunosuppression and restoring the antitumor activity of T cells. PD-L1 inhibitory peptide is promising for research of cancers .
    PD-L1 inhibitory peptide
  • HY-P5793
    GTx1-15

    		Sodium Channel Calcium Channel Neurological Disease
    GTx1-15 is an inhibitor cystine knot (ICK) peptide that inhibits the voltage-dependent calcium channel Cav3.1 and the voltage-dependent sodium channels Nav1.3 and Nav1.7 .
    GTx1-15
  • HY-P1054
    pep2-EVKI

    YNVYGIEEVKI

    		 PKC Neurological Disease
    pep2-EVKI (YNVYGIEEVKI) is an inhibitor peptide that selectively blocks PICK1 interactions, caused the opposite effects on synaptic AMPAR function to PICK1 expression .
    pep2-EVKI
  • HY-P5818
    BDS-II

    		Sodium Channel Neurological Disease
    BDS-II is a peptide toxin, and is composed of 43 amino acids. BDS-II is a selective Kv3.4 channel inhibitor .
    BDS-II
  • HY-P11039
    IL-23 cyclic peptide inhibitor 281

    		Interleukin Related Inflammation/Immunology
    IL-23 cyclic peptide inhibitor 281, a cyclic peptide, is an IL-23 inhibitor. IL-23 cyclic peptide inhibitor 281 can be used for inflammatory disorders like inflammatory bowel disease (IBD) research .
    IL-23 cyclic peptide inhibitor 281
  • HY-P11038
    IL-23 cyclic peptide inhibitor 105

    		Interleukin Related Inflammation/Immunology
    IL-23 cyclic peptide inhibitor 105, a cyclic peptide, is an IL-23 inhibitor. IL-23 cyclic peptide inhibitor 105 can be used for inflammatory disorders like inflammatory bowel disease (IBD) research .
    IL-23 cyclic peptide inhibitor 105
  • HY-P10437
    VIRIP

    human α1-AT(353-372)

    		 HIV Infection
    VIRIP (human α1-AT(353-372)) is a HIV-1 inhibitor. VIRIP blocks the entry of HIV-1 by interacting with gp41 fusion peptide. VIRIP can be used for virus research .
    VIRIP
  • HY-P10570
    [Nle20] H4 peptide (16−23)

    		Histone Methyltransferase Cancer
    [Nle20] H4 peptide (16−23) is a peptide with strong inhibitory activity against histone methyltransferase SETD8 (Kd=0.14 μM), which inhibits SETD8's methylation of histone H4 by competing with SETD8's substrate binding site. [Nle20] H4 peptide (16−23) can be used as a lead compound for anticancer therapy .
    [Nle20] H4 peptide (16−23)
  • HY-P11072
    IRF5-CPP5

    		Toll-like Receptor (TLR) Inflammation/Immunology
    IRF5-CPP5 is a cytosolic peptide that selectively inhibits human IRF5 with IC50 values of 15.4 and 15.3 μM for recombinant S430D or wild-type (WT) IRF5 dimerization, respectively. .
    IRF5-CPP5
  • HY-P5801
    Phlo1a

    μ-TrTx-Phlo1a

    		 Sodium Channel Neurological Disease
    Phlo1a (μ-TrTx-Phlo1a) is a peptide toxin contains 35-amino acid residues. Phlo1b is a selective Nav1.7 inhibitor. Phlo1a has a weak inhibitory effect on Nav1.2 and Nav1.5 .
    Phlo1a
  • HY-P11006
    Onc112

    		Bacterial Infection
    Onc112 is a proline-rich antimicrobial peptide that displays potent activity against Gram-negative bacteria. Onc112 inhibits translation by blocking and destabilizing the initiation complex .
    Onc112
  • HY-P5800
    Phlo1b

    μ-TrTx-Phlo1b

    		 Sodium Channel Neurological Disease
    Phlo1b (μ-TrTx-Phlo1b) is a peptide toxin contains 35-amino acid residues. Phlo1b is a selective Nav1.7 inhibitor. Phlo1b has a weak inhibitory effect on Nav1.2 and Nav1.5 .
    Phlo1b
  • HY-P3695
    VSPPLTLGQLLS

    		FGFR Cancer
    VSPPLTLGQLLS is a small peptide FGFR3 inhibitor, peptide P3, inhibits FGFR3 phosphorylation. VSPPLTLGQLLS inhibits 9-cisRA-induced tracheal lymphangiogenesis and blocks lymphatic endothelial cell (LEC) proliferation, migration, and tubule formation .
    VSPPLTLGQLLS
  • HY-162371
    NRPSs-IN-1

    		Aminoacyl-tRNA Synthetase Infection
    NRPSs-IN-1 (Compound 7) is a cell-penetrating inhibitor of non-ribosomal peptide synthetase (NRPSs). NRPSs-IN-1 K inhibits gramicidin S synthetase A (GrsA) with a Kd value of 16.6 nM .
    NRPSs-IN-1
  • HY-P3695A
    VSPPLTLGQLLS TFA

    		FGFR Cancer
    VSPPLTLGQLLS TFA is a small peptide FGFR3 inhibitor, peptide P3, inhibits FGFR3 phosphorylation. VSPPLTLGQLLS TFA inhibits 9-cisRA-induced tracheal lymphangiogenesis and blocks lymphatic endothelial cell (LEC) proliferation, migration, and tubule formation .
    VSPPLTLGQLLS TFA
  • HY-P5107
    Low molecular weight protamine

    LMWP

    		 VEGFR Cancer
    Low molecular weight protamine is a cell-penetrating peptide with vascular endothelial growth factor (VEGF) inhibitory activity. Low molecular weight protamine can inhibit tumor growth and is used in cancer research .
    Low molecular weight protamine
  • HY-P10974
    La peptide

    		HCV Enterovirus Infection
    La peptide (LAP) is an internal ribosome entry site (IRES) inhibitor. La peptide efficiently enters cells, blocks binding of cellular transacting factors to viral IRES, followed by inhibiting IRES-mediated translation. La peptide can be used for RNA viruses research, such as hepatitis C (HCV) and poliovirus (PV) .
    La peptide
  • HY-P10823
    RI-OR2

    		Amyloid-β Neurological Disease
    RI-OR2, a retro-inverso peptide, is an amyloid-β (Aβ) oligomerization inhibitor. RI-OR2 binds to immobilized β-Amyloid (1-42) (HY-P1363A) monomers and fibrils, with an apparent Kd of 9-12 μM, and also acted as an inhibitor of Aβ(1-42) fibril extension .
    RI-OR2
  • HY-P5786
    Heteropodatoxin-1

    		Potassium Channel Sodium Channel Neurological Disease
    Heteropodatoxin-1 (HpTx1), a spider peptide toxin, is a Kv4.2 current inhibitor. Heteropodatoxin-1 also inhibits Nav1.7 and activates Nav1.9 but does not affect Nav1.8 .
    Heteropodatoxin-1
  • HY-P11300
    YKYY

    		Angiotensin-converting Enzyme (ACE) Cardiovascular Disease
    YKYY, a antihypertensive peptide, is an Angiotensin I-converting enzyme (ACE) inhibitor with an IC50 of 64.2 μM. YKYY can be isolated for the peptic digest of wakame Undaria pinnatifida. YKYY can be used for hypertension research .
    YKYY
  • HY-P10572
    HG1 Toxin

    		Ser/Thr Protease Potassium Channel Inflammation/Immunology Endocrinology
    HG1 Toxin is a peptide found in the venom of the scorpion Heterometrus fulvipes, which has the activity of inhibiting potassium channel Kv1.3. HG1 Toxin also has the activity of inhibiting trypsin (Ki=107 nM) and can be used in the study of autoimmune diseases .
    HG1 Toxin
  • HY-P11300A
    YKYY TFA

    		Angiotensin-converting Enzyme (ACE) Cardiovascular Disease
    YKYY TFA is a blood pressure-lowering peptide isolated from the digest of Undaria pinnatifida. It is an angiotensin I-converting enzyme (ACE) inhibitor with an IC50 of 64.2 μM. YKYY FTA can be used in hypertension research .
    YKYY TFA
  • HY-161079
    TDI-8304

    		Parasite Infection
    TDI-8304, a macrocyclic peptide, is a potent, species selective, and noncovalent Plasmodium falciparum (Pf20S) inhibitor. TDI-8304 shows highly selective for Pf20S over human proteasomes .
    TDI-8304
  • HY-P10820
    N36Mut(e,g)

    		HIV Infection
    N36Mut(e,g) is a gp41-targeted HIV fusion peptide inhibitor. N36Mut(e,g) acts by disrupting the homotrimeric coiled-coil of N-terminal helices in the pre-hairpin intermediate to form heterotrimers .
    N36Mut(e,g)
  • HY-P11036
    p53-hDM2 cyclic peptide inhibitor 16e

    		MDM-2/p53 Cancer
    p53-hDM2 cyclic peptide inhibitor 16e is a p53-hDM2 cell-permeable peptide inhibitor with an IC50 of 9.24 nM for hDM2. p53-hDM2 cyclic peptide inhibitor 16e can be used for cancers like breast, colorectal and cervical cancers research .
    p53-hDM2 cyclic peptide inhibitor 16e
  • HY-P1385
    TCS 183

    		GSK-3 p38 MAPK Neurological Disease
    TCS 183, a peptide, is a GSK-3β inhibitor. TCS 183 blocks GSK-3β autoinhibition and decreases the level of AMPK phosphorylation. TCS 183 can be used for neuropathological diseases, particularly Alzheimer’s disease, research .
    TCS 183
  • HY-P5774
    Leu-Valorphin-Arg

    		Angiotensin-converting Enzyme (ACE) Cardiovascular Disease
    Leu-Valorphin-Arg (LVV-hemorphin-6), an opioid active peptide, is an angiotensin converting enzyme (ACE) inhibitor. Leu-Valorphin-Arg can be used for hypertension research .
    Leu-Valorphin-Arg
  • HY-117961
    Candoxatrilat

    UK 73967

    		 Neprilysin Cardiovascular Disease Endocrinology
    Candoxatrilat (UK 73967) is an orally active inhibitor of neutral endopeptidase. By elevating the levels of atrial natriuretic peptides, Candoxatrilat exerts its diuretic and natriuretic effects. Candoxatrilat is utilized in the research of heart failure .
    Candoxatrilat
  • HY-129412
    A-74273

    		Renin Cardiovascular Disease
    A-74273 is an orally active peptide renin inhibitor (IC50=3.1 nM). A-74273 competitively binds to the active site of renin, preventing angiotensinogen from being converted to ANG-I, thereby reducing the level of angiotensin II. A-74273 can be used in the study of diseases such as hypertension .
    A-74273
  • HY-P10810
    QPH-FR

    		Wnt β-catenin Cancer
    QPH-FR, a quinoa peptide, is a leucine-rich repeat-containing G-protein-coupled receptor 5 (LGR5) inhibitor. QPH-FR competitively suppresses the formation of the LGR5/RSPO1 complex by binding to LGR5. QPH-FR causes RNF43/ZNRF3 to ubiquitinate the FZD receptor, thereby suppressing the Wnt/β-catenin signaling pathway and exerting stemness inhibition .
    QPH-FR
  • HY-P10404
    PDpep1.3

    		α-synuclein Others Neurological Disease
    PDpep1.3 is a peptide inhibitor of α-synuclein that disrupts the direct interaction between α-synuclein and CHarged Multivesicular body Protein 2B (CHMP2B). As a result, PDpep1.3 restores the degradation function of endosomes and lysosomes, reduces the protein level and aggregation of α-synuclei, and protects dopaminergic neurons from α-synuclei-mediated degeneration. PDpep1.3 can be used to study neurodegenerative diseases and protein-protein interactions .
    PDpep1.3
  • HY-117607
    Alatrioprilat

    		Neprilysin Angiotensin-converting Enzyme (ACE) Cardiovascular Disease
    Alatrioprilat is an orally active inhibitor of angiotensin-converting enzyme (ACE) (IC50=19.6 nM; Ki=9.8 nM) and enkephailnase (IC50=6.1 nM; Ki=5.1 nM). Alatrioprilat plays a key role in the metabolism of hormonal peptides through the degradation of nitric oxide and atrial natriuretic factor (ANF). Alatrioprilat can be used in the study of cardiovascular diseases .
    Alatrioprilat
  • HY-P1386
    D15

    Dynamin II (828–842)

    		 iGluR Neurological Disease
    D15, a peptide with 15 aa segment of dynamin, is an AMPAR endocytosis inhibitor. D15 blocks the interaction of dynamin with amphiphysin 1 and 2. D15 significantly increases AMPAR excitatory postsynaptic potential (EPSC) amplitude of medium spiny neurons (MSNs) in Sapap3 KO mice. D15 can be used for neuropsychiatric disorder research .
    D15
  • HY-P11032
    Mp-4D7-pF2

    		SARS-CoV Virus Protease Infection
    Mp-4D7-pF2, a cell-penetrating bicyclic peptide, is a noncovalent SARS-CoV-2 main protease inhibitor with an IC50 of 4.51 μM. Mp-4D7-pF2 has an antiviral activity against SARS-CoV-2 with no cytotoxicity. Mp-4D7-pF2 can used for COVID-19 infections research .
    Mp-4D7-pF2
  • HY-P10072A
    MK2-IN-5 acetate

    Hsp25 kinase inhibitor acetate; Mk2 pseudosubstrate acetate

    		 JNK HSP MAPKAPK2 (MK2) p38 MAPK ERK Others
    MK2-IN-5 (Hsp25 kinase inhibitor) acetate is a Mk2 pseudosubstrate (Ki= 8 μM). MK2-IN-5 acetate targets the protein interaction domain in the MAPK pathway. MK2-IN-5 acetate inhibits HSP25 and HSP27 phosphorylation .
    MK2-IN-5 acetate
  • HY-P10072
    MK2-IN-5

    Hsp25 kinase inhibitor; Mk2 pseudosubstrate

    		 ERK JNK p38 MAPK HSP MAPKAPK2 (MK2) Others
    MK2-IN-5 is a Mk2 pseudosubstrate (Ki= 8 μM). MK2-IN-5 targets the protein interaction domain in the MAPK pathway. MK2-IN-5 inhibits HSP25 and HSP27 phosphorylation .
    MK2-IN-5
  • HY-P10485
    Glp-Asn-Pro-AMC

    		Thyroid Hormone Receptor Neurological Disease
    Glp-Asn-Pro-AMC is an inhibitor of thyrotropin-releasing hormone degrading enzyme (TRH-DE) with a Ki value of 0.97 μM .
    Glp-Asn-Pro-AMC
  • HY-P3816
    PKCε Inhibitor Scramble Peptide

    		PKC Others
    PKCε Inhibitor Scramble Peptide is a scrambled peptide with identical amino acid composition to PKCε inhibitor peptide.
    PKCε Inhibitor Scramble Peptide
  • HY-P4133
    MEK1 Derived Peptide Inhibitor 1

    		ERK MEK Cancer
    MEK1 Derived Peptide Inhibitor 1 is a peptide inhibitor. MEK1 Derived Peptide Inhibitor 1 can inhibit the in vitro activation of ERK2 by MEK1 with an IC50 value of 30 μM. MEK1 Derived Peptide Inhibitor 1 can be used for the research of cell-permeable .
    MEK1 Derived Peptide Inhibitor 1
  • HY-P5388
    Renin inhibitor peptide,rat

    		Renin Others
    Renin inhibitor peptide,rat is a biological active peptide. (A specific rat renin inhibitor.)
    Renin inhibitor peptide,rat
  • HY-157157
    PAD4-IN-3

    		Protein Arginine Deiminase Cancer
    PAD4-IN-3 (compound 4B) is a PAD4 inhibitor with antitumor activity in vitro and in vivo. PAD4-IN-3 was covalently linked to RGD sequence peptide-modified chitosan (K-CRGDV), resulting in an enhanced oxidative stress-responsive nanoagent. K-CRGDV-PAD4-IN-3 can actively target tumors, inhibit PAD4 activity, block the formation of neutrophil extracellular traps (NETs), and improve the tumor immune microenvironment in response to the tumor microenvironment .
    PAD4-IN-3
  • HY-P4488
    H-Pro-Pro-Gln-OH

    		Dipeptidyl Peptidase Others
    H-Pro-Pro-Gln-OH is a oligopeptide with excellent dipeptidyl peptidase-IV (DPP-IV) inhibitory activity .
    H-Pro-Pro-Gln-OH
  • HY-P1190
    c-JUN peptide

    		JNK Apoptosis Inflammation/Immunology
    c-JUN peptide is a cell-permeable c-JUN-JNK interaction inhibitor. c-JUN peptide inhibits serum-induced c-Jun phosphorylation. c-JUN peptide induces apoptosis .
    c-JUN peptide
  • HY-P3199
    PKCβII Peptide Inhibitor I

    		PKC Inflammation/Immunology
    PKCβII Peptide Inhibitor I is a PKCβII inhibitor. PKCβII Peptide Inhibitor I shows cardioprotective effects in rat cardiac Ischemia/reperfusion injury model. PKCβII Peptide Inhibitor I also prevents vascular endothelial dysfunction .
    PKCβII Peptide Inhibitor I
  • HY-103271
    Bax inhibitor peptide, negative control

    		Bcl-2 Family Cancer
    Bax inhibitor peptide, negative control is a inhibitor of Bax. Bax inhibitor peptide, negative control inhibits Bax translocation to mitochondria and Bax-mediated apoptosis in vitro .
    Bax inhibitor peptide, negative control
  • HY-P0301A
    SLLK, Control Peptide for TSP1 Inhibitor(TFA)

    		TGF-β Receptor Cancer
    SLLK, Control Peptide for TSP1 Inhibitor (TFA) is a control peptide for LSKL, which is a Thrombospondin (TSP-1) inhibitor.
    SLLK, Control Peptide for TSP1 Inhibitor(TFA)

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